Here's what rhymes with merriness.
eeriness genus venous keenness maleness messiness cheeriness meagreness fieriness leeriness nippiness paleness resinous spinous mistiness noisiness blurriness rosiness artiness furriness sorriness ferruginous saphenous femaleness heartiness loftiness dirtiness parvenus hugeness staleness phoniness sauciness shiftiness sombreness orneriness boniness cattiness corniness hungriness snootiness thorniness fleeciness savouriness podginess intravenous libidinous slipperiness thriftiness stoniness chanciness fanciness severeness sportiness waxiness extremeness arteriovenous multitudinous platitudinous pulchritudinous Words that almost rhyme with merriness
zenith arenas hyenas marinas hyaenas ocarinas czarinas tsarinas subpoenas ballerinas verbenas patinas behemoth sonatinas concertinas rhesus rebus genius thesis weakness treatise fetus grievous cheapness meanness meatus meekness neatness peanuts leafless nevus paribus prius treeless bleakness greenness fleetness silicious deepness lenience briefness cleanups sleekness heelless pitas zebus zeniths sheilas prenups allegiance grievance needless pretence sweetness uniqueness credence leaflets reflux heedless osseous priestess seamless sleepless specious egregious regents steepness dreamless myelitis viscus seedless teacups adieus betakes meatless nacreous beechnuts obliqueness yeshivas martinets urethras weedless sereneness sequence ingenious secrets completeness speechless covetous capitis concreteness facetious malfeasance sealants misfeasance theists margaritas speedups tubeless repleteness genteelness wapitis treatments impedance calcareous acacias frequents mendicants sentience decedents discreteness panaceas senoritas sapience candidness discreetness infrequence agreements achievements convenience heterogeneous incompleteness trapezius bereavements behemoths telekinesis appeasements insentience inconvenience antecedents impeachments orthopedists orthopaedists disagreements extremists osteomyelitis poliomyelitis psychokinesis enjambements